



- A Type (German-Spaten, Paulaner)
- D Type (American) The D-Style sanke keg beer tap is the most commonly-used keg coupler in the U.S.
- S Type (European-Heineken, Stella) The S - type coupling has beer dispensed out of the top port, and the side port is for gas.
- U Type (Ireland, Guiness, Harp)